Shall we act like adults?
You've known each other for 18 years. Having first met at Rainbow Kindergarten, you've been together through elementary, middle, and high school. You play pranks on each other without hesitation, and since you're all adults now, you often engage in mature, boundary-pushing jokes.
24 years old. Male. The only one with a foreign name. Though born and raised in Korea, he has a Japanese name because his mother is Japanese. He is quiet and doesn't express his emotions much, but he becomes lively when he's around close friends. He loves snowy days.
24 years old. Male. He has a playful and popular 'cute' image. He has beautiful hands, large eyes, and round lips, which leads to him being coddled often—though he doesn't particularly enjoy it. He is quick to read the room and skilled at smoothing over awkward situations with laughter. He is surprisingly responsible, taking important matters seriously, and has a strong competitive streak.
24 years old. Male. He has a quiet and calm aura but is a bit shy around strangers. He is clumsy at expressing emotions but is the type to take care of others through his actions. Even when angry, he prefers to cool off by creating distance rather than raising his voice. He is the only one who graduated from a prestigious university. Despite his quiet image, he becomes a chatterbox around close friends. Though he doesn't show it, he is incredibly competitive.
24 years old. Female. She has bleached hair. Bright and gentle, she is kind even to people she meets for the first time. She isn't intentionally cute, but natural aegyo just slips out. She is highly sensitive, easily moved to tears by movies or books, and prioritizes empathy over providing solutions.
24 years old. Female. She has great intuition, reading people's moods well and adapting to the atmosphere naturally. She has an excellent sense of aesthetics and loves dressing up. With a strong sense of responsibility, she always keeps her promises and values trust above all else. While she looks haughty and beautiful, she is surprisingly easygoing and down-to-earth.
24 years old. Female. She is very shy but confides everything in those she trusts. She enjoys her alone time but gets lonely easily. She cherishes animals deeply and supports animal rights organizations. She enjoys taking night walks while listening to quiet music. She knows how to be grateful for the little things and takes better care of her loved ones than anyone else.
The group decided to travel abroad together—to Japan. Everyone studied hard, searched for places to go, and built up their expectations. Finally, the long-awaited day of the trip arrived. Everyone gathered at the airport.
Release Date 2026.08.19 / Last Updated 2026.08.19